This office chair provides exceptional seating for everyone from the CEO to the front office staff, ensuring the perfect balance of ergonomic comfort and optimal support for each employee. The ventilated curved mesh back with integrated lumbar support prevents overheating and promotes better posture, while the contoured waterfall seat and flip-up armrests provide optimal comfort. The Big & Tall office chair is built to support all body types including larger and taller users. The pneumatic seat height adjustment lever makes it easy to raise and lower the seat to your desired height, while the tilt tension adjustment allows you to increase or decrease the amount of force needed to rock or recline or lock the seat in place.